SG11201502075XA - Apparatus and method for generating a bandwidth extended signal from a bandwidth limited audio signal - Google Patents
Apparatus and method for generating a bandwidth extended signal from a bandwidth limited audio signalInfo
- Publication number
- SG11201502075XA SG11201502075XA SG11201502075XA SG11201502075XA SG11201502075XA SG 11201502075X A SG11201502075X A SG 11201502075XA SG 11201502075X A SG11201502075X A SG 11201502075XA SG 11201502075X A SG11201502075X A SG 11201502075XA SG 11201502075X A SG11201502075X A SG 11201502075XA
- Authority
- SG
- Singapore
- Prior art keywords
- bandwidth
- generating
- signal
- audio signal
- limited audio
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 title 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
- G10L19/025—Detection of transients or attacks for time/frequency resolution switching
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/0204—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
- G10L19/0208—Subband vocoders
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (AREA)
- Quality & Reliability (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Circuit For Audible Band Transducer (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP12184706.5A EP2709106A1 (de) | 2012-09-17 | 2012-09-17 | Vorrichtung und Verfahren zur Erzeugung eines bandbreitenerweiterten Signals aus einer Bandbreite mit eingeschränktem Audiosignal |
| PCT/EP2013/068808 WO2014041020A1 (en) | 2012-09-17 | 2013-09-11 | Apparatus and method for generating a bandwidth extended signal from a bandwidth limited audio signal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG11201502075XA true SG11201502075XA (en) | 2015-05-28 |
Family
ID=47002644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG11201502075XA SG11201502075XA (en) | 2012-09-17 | 2013-09-11 | Apparatus and method for generating a bandwidth extended signal from a bandwidth limited audio signal |
Country Status (20)
| Country | Link |
|---|---|
| US (2) | US9997162B2 (de) |
| EP (2) | EP2709106A1 (de) |
| JP (1) | JP6130507B2 (de) |
| KR (1) | KR101712477B1 (de) |
| CN (1) | CN104813395B (de) |
| AR (1) | AR092599A1 (de) |
| AU (1) | AU2013314401B2 (de) |
| BR (1) | BR112015005893B1 (de) |
| CA (1) | CA2884420C (de) |
| ES (1) | ES2611347T3 (de) |
| HK (1) | HK1212089A1 (de) |
| MX (1) | MX348503B (de) |
| MY (1) | MY169402A (de) |
| PL (1) | PL2896042T3 (de) |
| PT (1) | PT2896042T (de) |
| RU (1) | RU2611974C2 (de) |
| SG (1) | SG11201502075XA (de) |
| TW (1) | TWI546800B (de) |
| WO (1) | WO2014041020A1 (de) |
| ZA (1) | ZA201502559B (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2709106A1 (de) * | 2012-09-17 | 2014-03-19 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zur Erzeugung eines bandbreitenerweiterten Signals aus einer Bandbreite mit eingeschränktem Audiosignal |
| EP2980792A1 (de) | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zur Erzeugung eines verbesserten Signals mit unabhängiger Rausch-Füllung |
| US10847170B2 (en) | 2015-06-18 | 2020-11-24 | Qualcomm Incorporated | Device and method for generating a high-band signal from non-linearly processed sub-ranges |
| JP6611042B2 (ja) * | 2015-12-02 | 2019-11-27 | パナソニックＩｐマネジメント株式会社 | 音声信号復号装置及び音声信号復号方法 |
| EP3382704A1 (de) | 2017-03-31 | 2018-10-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und verfahren zur bestimmung einer eigenschaft in zusammenhang mit einer spektralen verbesserung eines audiosignals |
| TWI834582B (zh) | 2018-01-26 | 2024-03-01 | 瑞典商都比國際公司 | 用於執行一音訊信號之高頻重建之方法、音訊處理單元及非暫時性電腦可讀媒體 |
Family Cites Families (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5455888A (en) | 1992-12-04 | 1995-10-03 | Northern Telecom Limited | Speech bandwidth extension method and apparatus |
| US5796842A (en) * | 1996-06-07 | 1998-08-18 | That Corporation | BTSC encoder |
| US5940429A (en) * | 1997-02-25 | 1999-08-17 | Solana Technology Development Corporation | Cross-term compensation power adjustment of embedded auxiliary data in a primary data signal |
| SE512719C2 (sv) * | 1997-06-10 | 2000-05-02 | Lars Gustaf Liljeryd | En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion |
| US6549884B1 (en) | 1999-09-21 | 2003-04-15 | Creative Technology Ltd. | Phase-vocoder pitch-shifting |
| WO2002058052A1 (en) * | 2001-01-19 | 2002-07-25 | Koninklijke Philips Electronics N.V. | Wideband signal transmission system |
| US6895375B2 (en) | 2001-10-04 | 2005-05-17 | At&T Corp. | System for bandwidth extension of Narrow-band speech |
| KR100501930B1 (ko) * | 2002-11-29 | 2005-07-18 | 삼성전자주식회사 | 적은 계산량으로 고주파수 성분을 복원하는 오디오 디코딩방법 및 장치 |
| ES2791001T3 (es) * | 2004-11-02 | 2020-10-30 | Koninklijke Philips Nv | Codificación y decodificación de señales de audio mediante el uso de bancos de filtros de valor complejo |
| CA2697920C (en) * | 2007-08-27 | 2018-01-02 | Telefonaktiebolaget L M Ericsson (Publ) | Transient detector and method for supporting encoding of an audio signal |
| KR100970446B1 (ko) * | 2007-11-21 | 2010-07-16 | 한국전자통신연구원 | 주파수 확장을 위한 가변 잡음레벨 결정 장치 및 그 방법 |
| DE102008015702B4 (de) * | 2008-01-31 | 2010-03-11 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zur Bandbreitenerweiterung eines Audiosignals |
| EP2260487B1 (de) * | 2008-03-04 | 2019-08-21 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Mischung von eingabedatenströmen und erzeugung eines ausgangsdatenstroms daraus |
| KR101239812B1 (ko) | 2008-07-11 | 2013-03-06 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 대역폭 확장 신호를 생성하기 위한 장치 및 방법 |
| RU2443028C2 (ru) * | 2008-07-11 | 2012-02-20 | Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен | Устройство и способ расчета параметров расширения полосы пропускания посредством управления фреймами наклона спектра |
| ES2654433T3 (es) * | 2008-07-11 | 2018-02-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codificador de señal de audio, método para codificar una señal de audio y programa informático |
| CA2730200C (en) * | 2008-07-11 | 2016-09-27 | Max Neuendorf | An apparatus and a method for generating bandwidth extension output data |
| PL4231291T3 (pl) * | 2008-12-15 | 2024-04-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Dekoder powiększania szerokości pasma audio, powiązany sposób oraz program komputerowy |
| EP2234103B1 (de) * | 2009-03-26 | 2011-09-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zur Änderung eines Audiosignals |
| EP2239732A1 (de) | 2009-04-09 | 2010-10-13 | Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. | Vorrichtung und Verfahren zur Erzeugung eines synthetischen Audiosignals und zur Kodierung eines Audiosignals |
| ES2400661T3 (es) * | 2009-06-29 | 2013-04-11 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codificación y decodificación de extensión de ancho de banda |
| US8498874B2 (en) * | 2009-09-11 | 2013-07-30 | Sling Media Pvt Ltd | Audio signal encoding employing interchannel and temporal redundancy reduction |
| WO2011047886A1 (en) * | 2009-10-21 | 2011-04-28 | Dolby International Ab | Apparatus and method for generating a high frequency audio signal using adaptive oversampling |
| WO2011048820A1 (ja) | 2009-10-23 | 2011-04-28 | パナソニック株式会社 | 符号化装置、復号装置およびこれらの方法 |
| CA2792452C (en) * | 2010-03-09 | 2018-01-16 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for processing an input audio signal using cascaded filterbanks |
| PL2545551T3 (pl) * | 2010-03-09 | 2018-03-30 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Poprawiona charakterystyka amplitudowa i zrównanie czasowe w powiększaniu szerokości pasma na bazie wokodera fazowego dla sygnałów audio |
| EP2581905B1 (de) * | 2010-06-09 | 2016-01-06 | Panasonic Intellectual Property Corporation of America | Banderweiterungsverfahren, banderweiterungsvorrichtung, integrierter schaltkreis und audiodecoder |
| EP2709106A1 (de) * | 2012-09-17 | 2014-03-19 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zur Erzeugung eines bandbreitenerweiterten Signals aus einer Bandbreite mit eingeschränktem Audiosignal |
-
2012
- 2012-09-17 EP EP12184706.5A patent/EP2709106A1/de not_active Withdrawn
-
2013
- 2013-09-11 RU RU2015113983A patent/RU2611974C2/ru active
- 2013-09-11 SG SG11201502075XA patent/SG11201502075XA/en unknown
- 2013-09-11 CN CN201380058323.XA patent/CN104813395B/zh active Active
- 2013-09-11 ES ES13759539.3T patent/ES2611347T3/es active Active
- 2013-09-11 KR KR1020157009438A patent/KR101712477B1/ko active IP Right Grant
- 2013-09-11 EP EP13759539.3A patent/EP2896042B1/de active Active
- 2013-09-11 AU AU2013314401A patent/AU2013314401B2/en active Active
- 2013-09-11 MY MYPI2015000654A patent/MY169402A/en unknown
- 2013-09-11 JP JP2015531548A patent/JP6130507B2/ja active Active
- 2013-09-11 BR BR112015005893-0A patent/BR112015005893B1/pt active IP Right Grant
- 2013-09-11 WO PCT/EP2013/068808 patent/WO2014041020A1/en active Application Filing
- 2013-09-11 MX MX2015003282A patent/MX348503B/es active IP Right Grant
- 2013-09-11 PT PT137595393T patent/PT2896042T/pt unknown
- 2013-09-11 CA CA2884420A patent/CA2884420C/en active Active
- 2013-09-11 PL PL13759539T patent/PL2896042T3/pl unknown
- 2013-09-17 AR ARP130103330A patent/AR092599A1/es active IP Right Grant
- 2013-09-17 TW TW102133676A patent/TWI546800B/zh active
-
2015
- 2015-03-17 US US14/659,911 patent/US9997162B2/en active Active
- 2015-04-16 ZA ZA2015/02559A patent/ZA201502559B/en unknown
- 2015-12-28 HK HK15112734.9A patent/HK1212089A1/zh unknown
-
2018
- 2018-05-14 US US15/978,342 patent/US10580415B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| ES2611347T3 (es) | 2017-05-08 |
| MX348503B (es) | 2017-06-14 |
| RU2611974C2 (ru) | 2017-03-01 |
| TW201423731A (zh) | 2014-06-16 |
| KR101712477B1 (ko) | 2017-03-06 |
| EP2709106A1 (de) | 2014-03-19 |
| US20150187360A1 (en) | 2015-07-02 |
| CN104813395A (zh) | 2015-07-29 |
| US20180261229A1 (en) | 2018-09-13 |
| MY169402A (en) | 2019-03-27 |
| US9997162B2 (en) | 2018-06-12 |
| CA2884420C (en) | 2017-10-17 |
| KR20150066537A (ko) | 2015-06-16 |
| WO2014041020A1 (en) | 2014-03-20 |
| RU2015113983A (ru) | 2016-11-10 |
| TWI546800B (zh) | 2016-08-21 |
| ZA201502559B (en) | 2016-04-28 |
| CA2884420A1 (en) | 2014-03-20 |
| BR112015005893B1 (pt) | 2021-06-15 |
| JP2015534112A (ja) | 2015-11-26 |
| US10580415B2 (en) | 2020-03-03 |
| HK1212089A1 (zh) | 2016-06-03 |
| MX2015003282A (es) | 2015-07-06 |
| EP2896042B1 (de) | 2016-10-19 |
| PT2896042T (pt) | 2016-12-30 |
| AR092599A1 (es) | 2015-04-29 |
| CN104813395B (zh) | 2017-11-24 |
| PL2896042T3 (pl) | 2017-05-31 |
| AU2013314401B2 (en) | 2016-04-28 |
| BR112015005893A2 (pt) | 2017-08-22 |
| EP2896042A1 (de) | 2015-07-22 |
| AU2013314401A1 (en) | 2015-04-02 |
| JP6130507B2 (ja) | 2017-05-17 |
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